Research Article

Mitochondrial Thioredoxin-Glutathione Reductase from Larval Taenia crassiceps (Cysticerci)

Table 1

Summary of the mTGR purification procedure.

FractionVolTotal (ml)Protein (mg)Specific Activity (mU*/mg)Activity ratioActivity (mU)Purication (fold)Yield (%)

GSSGDTNBHEDDTNB/GSSGDTNB

Crude extract13.033.511.735,0128.53.01172.51.0100
DEAE-Sephacel3.39.3734.075.2138.022704.62.160
HA-Ultrogel3.22.2338.7184.0532.14.7410.35.335
Cibacron-Blue1.720.186229.01091.02242.84.7202.931.217

An enzyme mU is defined as the amount of protein needed to oxidize one nmol of NADPH per minute at 25°C.
Date obtained at 25°C and pH 7.8.